xeth, core, event/filter, rpc: new block and transaction filters

2 files changed, 27 insertions, 7 deletions

diff --git a/rpc/api.go b/rpc/api.go
index b79a1306e..a3312075b 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -322,14 +322,13 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 
-		id := api.xeth().RegisterFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
+		id := api.xeth().NewLogFilter(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics)
 		*reply = newHexNum(big.NewInt(int64(id)).Bytes())
+
 	case "eth_newBlockFilter":
-		args := new(FilterStringArgs)
-		if err := json.Unmarshal(req.Params, &args); err != nil {
-			return err
-		}
-		*reply = newHexNum(api.xeth().NewFilterString(args.Word))
+		*reply = newHexNum(api.xeth().NewBlockFilter())
+	case "eth_transactionFilter":
+		*reply = newHexNum(api.xeth().NewTransactionFilter())
 	case "eth_uninstallFilter":
 		args := new(FilterIdArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -341,7 +340,17 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		*reply = NewLogsRes(api.xeth().FilterChanged(args.Id))
+
+		switch api.xeth().GetFilterType(args.Id) {
+		case xeth.BlockFilterTy:
+			*reply = NewHashesRes(api.xeth().BlockFilterChanged(args.Id))
+		case xeth.TransactionFilterTy:
+			*reply = NewHashesRes(api.xeth().TransactionFilterChanged(args.Id))
+		case xeth.LogFilterTy:
+			*reply = NewLogsRes(api.xeth().LogFilterChanged(args.Id))
+		default:
+			*reply = []string{} // reply empty string slice
+		}
 	case "eth_getFilterLogs":
 		args := new(FilterIdArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
diff --git a/rpc/responses.go b/rpc/responses.go
index 884b7e69b..9fdf60c02 100644
--- a/rpc/responses.go
+++ b/rpc/responses.go
@@ -3,6 +3,7 @@ package rpc
 import (
 	"encoding/json"
 
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 )
@@ -303,3 +304,13 @@ func NewLogsRes(logs state.Logs) (ls []LogRes) {
 
 	return
 }
+
+func NewHashesRes(hs []common.Hash) []string {
+	hashes := make([]string, len(hs))
+
+	for i, hash := range hs {
+		hashes[i] = hash.Hex()
+	}
+
+	return hashes
+}